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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 11/2016

01.11.2016 | ORIGINAL PAPER

Time dependence of the aggregation of star-shaped poly(2-isopropyl-2-oxazolines) in aqueous solutions

verfasst von: Alina Amirova, Serafim Rodchenko, Alexander Filippov

Erschienen in: Journal of Polymer Research | Ausgabe 11/2016

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Abstract

The paper concerns the analysis of time t eq required to equilibrium state achievement in aqueous solutions of star-shaped poly(2-isopropyl-2-oxazolines) (PiPrOx) after changing temperature. The discussed data were obtained for PiPrOx differing in arm number and length. For all samples, high t eq values, half an hour at least, were obtained because of rather high intramolecular density. The dependence t eq on temperature displayed maximum near the phase separation beginning due to the aggregate growth and redistribution of scattering particles. The maximum times t eq increased symbatically with arm number and length. The higher energy of the hydrogen bond formed by deuterium isotope leads to the growth of the t eq values as compared to solutions in H2O.
Nächster Artikel Mechanistic studies of methyl methacrylate polymerization in the presence of cobalt complex with sterically-hindered redox-active ligand

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Metadaten
Titel
Time dependence of the aggregation of star-shaped poly(2-isopropyl-2-oxazolines) in aqueous solutions
verfasst von
Alina Amirova
Serafim Rodchenko
Alexander Filippov
Publikationsdatum
01.11.2016
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 11/2016
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-016-1112-4

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